Discussion: Interpreting Test Scores Assessing Special Needs Students

Interpreting Test Scores
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Interpreting Test Scores
After obtaining test scores from standardized assessments, the data is analyzed and interpreted presented to the parents, students and other stakeholders. Most students and parents are conversant with percentage scores which provide very little information. However, the data can be presented using more comprehensive statistical methods such as the standard scores, percentile ranks and bell curve. Using this method would require an additional explanation to the parents.
The standard scores are obtained from the information extracted during the development of a test. It represents the degree to which a student's score deviates from tests mean scores. The standard score can be used to explain to a parent how far their child's score falls below or above the average rating. Percentile ranks, on the other hand, are used in indicating the position of a learner in reference to the other, using norm-referenced test ...